main()//唐子豪
{
    int n,i,x,flag=1;
    for(n=6;flag;n++){
        for(x=n,i=1&&flag;i<=5;i++)
            if((x-1)%5==0)x=4*(x-1)/5;
            else flag=0;
            if(flag)break;
            else flag=1;

    }
    printf("Total number of fish catcher=%d\n",n);
}